A child who weighs 55 pounds receives a prescription for cefotaxime 150 mg/kg/day intravenously in divided doses every 6 hours.
How many mg should the nurse administer each day?
3000 mg.
3300 mg.
3600 mg.
3750 mg.
The Correct Answer is D
Step 1 is to convert the child’s weight from pounds to kilograms since the dosage is prescribed in mg/kg. We know that 1 kg is approximately 2.2 lbs. So, the child’s weight in kg is 55 lbs ÷ 2.2 = 25 kg (rounded to the nearest whole number for simplicity).
Step 2 is to calculate the total daily dosage. The prescription is for 150 mg/kg/day. So, the total daily dosage is 150 mg/kg/day × 25 kg = 3750 mg/day.
So, the correct answer is, after analysing all choices, the nurse should administer 3750 mg of cefotaxime each day.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Reporting the 24-hour intake at the current infusion rate is not the most important finding to report to the healthcare provider in this case. It is essential to monitor intake and output, but a single report of the 24-hour intake is not as critical as other findings.
Choice B rationale:
Reporting a serum potassium level of 3.1 mEq/L (3.1 mmol/L) is the most important finding to report to the healthcare provider. The patient's potassium level is below the normal range, indicating hypokalemia. Hypokalemia can have serious cardiac and neuromuscular effects, including arrhythmias and muscle weakness. Prompt intervention, such as potassium supplementation or adjustment of IV fluids, is necessary to address this potentially life-threatening condition.
Choice C rationale:
Reporting a gastric output of 900 mL in the last 24 hours is significant and should be reported to the healthcare provider, but it is not as urgent as the low potassium level. Gastric output should be monitored to assess for signs of improvement or worsening, but hypokalemia takes precedence due to its immediate health risks.
Choice D rationale:
Reporting an increased blood urea nitrogen (BUN) is important for the overall assessment of the patient's renal function but is not the most critical finding in this scenario. The low potassium level is a more immediate concern and requires immediate attention.
Correct Answer is A
Explanation
Choice A rationale:
Use a peak flow meter to assess the respiratory status. Assessing the client's respiratory status using a peak flow meter is the most appropriate next action after administering albuterol, a bronchodilator. It helps determine the client's lung function and response to the medication. This information guides further interventions and treatment decisions.
Choice B rationale:
Administer a stat dose of corticosteroids. Administering corticosteroids may be indicated in some cases of respiratory distress or exacerbation of asthma. However, it should not be the immediate next step after albuterol administration. Assessing the client's response to albuterol through lung function testing (peak flow) is essential before deciding on additional medications.
Choice C rationale:
Document the normal finding in the client's health record. Documenting normal findings is important for maintaining accurate medical records, but in this case, it is premature. The nurse should first assess the client's response to albuterol and ensure that the respiratory status is indeed normal before documenting the findings.
Choice D rationale:
Repeat a dose of the client's rescue drug. Administering another dose of the rescue drug (albuterol) without assessing the client's response and lung function would not be the most appropriate action. It is essential to determine whether the initial dose was effective before considering additional doses or alternative treatments.
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